Home / 34,839.20-48,078.15-18,923.65

Finding the Fourth Proportional to 34,839.20, 48,078.15 and 18,923.65

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Solution

The fourth proportional to 34,839.20, 48,078.15 and 18,923.65 is: 26,114.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,839.20 : 48,078.15 = 18,923.65 : x
  2. Step 2: Convert to fraction form
    34,839.20/48,078.15 = 18,923.65/x
  3. Step 3: Cross multiply
    34,839.20x = 48,078.15 × 18,923.65
  4. Step 4: Simplify right side
    34,839.20x = 909,814,212.69
  5. Step 5: Solve for x
    x = 909,814,212.69/34,839.20
  6. Step 6: Final answer
    x = 26,114.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.